Comparison of direct and indirect effects of non-thermal atmospheric-pressure plasma on bacteria
Comparison of direct and indirect effects of non-thermal atmospheric-pressure plasma on bacteria
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DOI：
10.1002/ppap.200600217
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发表时间：
2007-05-23
影响因子：
3.5
通讯作者：
Friedman, Gary
中科院分区：
文献类型：
--
作者：
Fridman, Gregory;Brooks, Ari D.;Friedman, Gary
以细菌灭活率为指标，比较了非热常压介质阻挡放电对空气中微生物的直接和间接影响。它表明，直接影响的等离子体，其中带电粒子直接接触细菌，产生失活快得多的间接处理，其中等离子体余辉被传递到细菌的气体流通过等离子体区域。这导致了一个重要的结论，即带电粒子对等离子体的影响在与活生物体的相互作用中起着至关重要的作用，尽管与更长寿命的活性分子和原子的协同作用以及在等离子体和组织表面产生的UV辐射也可能在灭活中起作用。
Direct and indirect influence on microorganisms of non-thermal atmospheric-pressure DBD in air is compared in terms of bacterial inactivation rates. It is demonstrated that direct influence of the plasma, where charged particles contact bacteria directly, produces inactivation much faster than the indirect treatment, where plasma afterglow is delivered to the bacteria with a gas flow through the plasma region. This leads to an important conclusion that the effect of charged particles on plasma plays the essential role in interaction with living organisms, although synergy with longer living active molecules and atoms as well as UV radiation generated in plasma and at the surface of tissues may also play a role in inactivation.